I have created two pages – Parent.aspx and Child.aspx
Parent.aspx:-
<%@ Page Language=”C#” AutoEventWireup=”true” CodeFile=”Parent.aspx.cs” Inherits=”_Default” %>
<!DOCTYPE html PUBLIC “-//W3C//DTD XHTML 1.0 Transitional//EN” “http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd”>
<html xmlns=”http://www.w3.org/1999/xhtml”>
<head runat=”server”>
<title>Untitled Page</title>
<script language=”javascript” type=”text/javascript”>
function OpenPopUP()
{
window.open (‘Child.aspx’,'Child’,'toolbar=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=yes,width=320x,height=350px,top=200px,left=100px’);
return false;
}
</script>
</head>
<body>
<form id=”form1″ runat=”server”>
<div>
<table>
<tr>
<td>
Name
</td>
<td>
<asp:TextBox ID=”txtName” runat=”server” Text=”"></asp:TextBox>
</td>
<td>
<asp:Button ID=”btnSearch” runat=”server” Text=”Search” OnClientClick=”OpenPopUP();” />
</td>
</tr>
</table>
</div>
</form>
</body>
</html>
Child.aspx :-
<%@ Page Language=”C#” AutoEventWireup=”true” CodeFile=”Child.aspx.cs” Inherits=”Child” %>
<!DOCTYPE html PUBLIC “-//W3C//DTD XHTML 1.0 Transitional//EN” “http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd”>
<html xmlns=”http://www.w3.org/1999/xhtml”>
<head runat=”server”>
<title>Untitled Page</title>
<script language=”javascript” type=”text/javascript”>
function ValuePatentToChild()
{
var Name = window.opener.document.forms[0].txtName.value;
var setName = document.getElementById (‘txtChild’);
setName.value = Name;
}
function ValueChildToParent()
{
var Name = document.getElementById (‘txtChild’).value;
window.opener.document.forms[0].txtName.value = Name;
self.close();
}
</script>
</head>
<body onload=”ValuePatentToChild();”>
<form id=”form1″ runat=”server”>
<div>
<table>
<tr>
<td>
<asp:TextBox ID=”txtChild” runat=”server” Text=”"></asp:TextBox>
</td>
<td>
<asp:Button ID=”btnClose” runat=”server” Text=”Close” OnClientClick=”ValueChildToParent();” />
</td>
<td>
</td>
</tr>
</table>
</div>
</form>
</body>
</html>
